Question: When did Pedro I's child Princess Maria Amélia of Brazil die and who was her mother?
Paraphrase: What date did Princess Maria Amelia, Pedro the firsts daughter, die and what was the name of her mum?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q939 p:P40 ?s . ?s ps:P40 wd:Q235815 . ?s pq:P25 ?value1 . ?s pq:P570 ?value2 }